Fill the metallurgy blanks

Exercise and reference answers

Missing parts

1. Answer

   excess

   Choices

   1. excess
   2. absence
   3. limited
   4. no

2. Answer

   oxide

   Choices

   1. oxide
   2. sulphate
   3. carbonate
   4. chloride

Complete the statement

In roasting, a sulphide ore is heated in {0} of air to give the {1}.

Instructions

Fill each blank.